15.92 Appx. B   Sample water efficient landscape worksheet.
ETAF Calculations
Regular Landscape Areas
Total ETAF x Area            (B)
Total Area               (A)
Average ETAF      B ÷ A
Average ETAF for Regular Landscape Areas must be 0.55 or below for residential areas, and 0.45 or below for non-residential areas.
All Landscape Areas
      (B + D)
      (A + C)
(Ord. 2015-0038 § 2)